Portable air conditioner



FIG. 1 is a front and top perspective view of a portable air conditioner showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines depict portions of the portable air conditioner in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for a portable air conditioner, as shown and described. 